USGS Streamgage 06935980
Cowmire Creek at Bridgeton, MO
Cowmire Creek at Bridgeton, MO is USGS streamgage 06935980, monitoring river discharge in hydrologic subbasin 10300200. It drains a watershed of about 4 square miles. Discharge records at this site go back to 1972. Typical flow runs near 1 cfs in July and 2.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 4 sq mi
- Gauge elevation
- 478 ft
- Subbasin (HUC-8)
- 10300200
- Coordinates
- 38.76428, -90.43278
- USGS site number
- 06935980
- Records begin
- 1972-09-07 (54 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 29 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 0.5 | 1.2 | 8.6 | |
| February | 0.7 | 1.5 | 8.5 | |
| March | 0.8 | 1.9 | 17.5 | |
| April | 0.8 | 2.1 | 23.9 | |
| May | 0.7 | 2 | 19.6 | |
| June | 0.5 | 1.3 | 20 | |
| July | 0.3 | 1 | 19.1 | |
| August | 0.2 | 0.8 | 10.4 | |
| September | 0.2 | 0.6 | 9.1 | |
| October | 0.2 | 0.6 | 9.5 | |
| November | 0.2 | 0.8 | 11.3 | |
| December | 0.4 | 1 | 8.1 |
All values in cubic feet per second (cfs).